Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 332889/HA1

BT4B 332889/HA1

Design

Design variant/feature

TQO/WI

Dimensions

d		380	mm
D		620	mm
B		388	mm
T		388	mm
d₁	≈	433	mm
D₁	≈	538	mm
r_1,2	min.	6	mm
r_3,4	min.	6	mm

Calculation data

Basic dynamic load rating	C	7040	kN
Basic static load rating	C₀	13700	kN
Fatigue load limit	P_u	1080	kN
Comparative radial load rating	C_F	1860	kN
Comparative axial load rating	C_Fa	397	kN
Thrust factor	K	1.36
Calculation factor	e	0.43
Calculation factor	Y₁	1.6
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.6

Mass

Mass bearing

440

Model Number: BT4B 332889/HA1
Inner Diameter：380mm Outer Diameter：620mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Roller bearings Tapered roller bearings Four-row tapered roller bearings
Details： Four-row tapered roller bearings Four-row tapered roller bearings, TQO design
Update date：2026-04-17
Application:tobacco machinery,car instrument,chuck industry,sterilizers,air shower etc,marine test,SPA equipment,screen filter,CNC,Spectrum Products,Rolling mill gear box
Similar models:BT4B 332889/HA1
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